
.mid{
    width: 1000px;
    /* height: 700px; */
    /* background-color: khaki; */
    margin:30px auto;
    position: relative;
}
/* 左边导航 */
.mid_left{
    width: 200px;
    height: 335px;
    /* background-color: lavender; */
    position: absolute;
    top: 0;
    display: inline-block;
    border: #01a1ff 2px solid;
    
}
.top{
    width: 200px;
    height: 100px;
    text-align: center;
    background-color:  #01a1ff;
    color: #fff;
    line-height: 45px;
    margin-top: -1px;
}

.services_list{
    width: 200px;
    margin: 0 auto;
    text-align: center;
    background-color:  white;
    margin-top: 3px;
}
.services_list ul li{
    height: 30px;
    width: 180px;
    margin-top: 13px;
    margin-left: 10px;
    list-style: none;
    line-height: 30px;
    border-radius: 20px 20px;
    -webkit-border-radius: 20px 20px;
    -moz-border-radius: 20px 20px;
    -ms-border-radius: 20px 20px;
    -o-border-radius: 20px 20px;
}
.services_list ul li:last-child{
    background-color:  #01a1ff;
    color: white;
}
.services_list ul li:hover{
    background-color:  #01a1ff;
    color: white;
    cursor: pointer;
}
/* 右边头部内容  */
.mid_right{
    width:750px;
    height: 700px;
    margin-left: 240px;
    display: inline-block;
}
.position_top{
    width:750px;
    height: 50px;
    line-height: 50px;
    border-bottom: 1px solid #969696;
}
.position_top p{
    display: inline-block;
    color: gray;
    font-size: 14px;
}
.top_title{
    margin-left: 15px;
}
.top_title span{
    font-size: 22px;
    color: #000000;
}
.position_tip,.position_tip_question{
    float: right;
    margin-right: 15px;
    cursor: pointer;
}
.position_tip span,.position_tip_question span{
    color: #01a1ff;
}
/* 目录 */
.catalog{
    width:750px;
    height:600px;
    /* background-color: plum; */
    margin-top: 20px;
}
.catalog ul li{
    height: 35px;
    line-height: 35px;
    list-style: none;
    color: gray;
}
.catalog ul li:hover{
    color: #01a1ff;
    cursor: pointer;
}

/* 详情 */
.detail{
    width:750px;
    height:400px;
    /* background-color: plum; */
    margin-top: 35px;
    margin-left: 20px;
}
.detail h3{
    text-align: center;
}
.detail p{
    width: 750px;
    margin-top: 30px;
    font-size: 14px;
    /* color: gray; */
    line-height: 32px;
}
